Home / 405,904.10-608,894.55-110,416.10

Finding the Fourth Proportional to 405,904.10, 608,894.55 and 110,416.10

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Solution

The fourth proportional to 405,904.10, 608,894.55 and 110,416.10 is: 165,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,904.10 : 608,894.55 = 110,416.10 : x
  2. Step 2: Convert to fraction form
    405,904.10/608,894.55 = 110,416.10/x
  3. Step 3: Cross multiply
    405,904.10x = 608,894.55 × 110,416.10
  4. Step 4: Simplify right side
    405,904.10x = 67,231,761,522.26
  5. Step 5: Solve for x
    x = 67,231,761,522.26/405,904.10
  6. Step 6: Final answer
    x = 165,634.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.